Yokogawa DO402 Dissolved Oxygen Analyzer Manual do Utilizador descarregar pdf (Página 77)

IM 12J05D02-01E

Maintenance 7-3

How to replace the fuse

1) Before replacing the fuse, turn off power to the instrument at the external breaker.

2) Remove the instrument cover and the high-voltage shield plate.

3) Remove the cover from the fuse holder by pulling out by hand.

4) Remove the fuse and install a new, recommended or equivalent fuse on the holder.

5) Put the fuse cover back on the holder securely.

6) Install the high-voltage shield plate.

It is recommended that the fuse be replaced every two years even if it has not blown.

Shield Plate

Fuse Cover

Fuse Holder

Figure 7-1. How to replace the fuse

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Yokogawa DO402 Dissolved Oxygen Analyzer Manual do Utilizador Página 77